Podcast
Questions and Answers
Who discovered that the charge of the nucleus increased from one element to another in units of one?
Who discovered that the charge of the nucleus increased from one element to another in units of one?
- Henry Moseley (correct)
- Ernest Rutherford
- Niels Bohr
- James Chadwick
What type of particles did Ernest Rutherford discover in the nucleus?
What type of particles did Ernest Rutherford discover in the nucleus?
- Electrons
- Neutrons
- Photons
- Protons (correct)
What did Rutherford predict to explain the heavier than expected weight of atomic nuclei?
What did Rutherford predict to explain the heavier than expected weight of atomic nuclei?
- Neutrons (correct)
- Protons
- Electrons
- Photons
Why did scientists modify Rutherford's nuclear model even though it seemed convincing?
Why did scientists modify Rutherford's nuclear model even though it seemed convincing?
Which ancient Greeks thought that all matter was made from indivisible particles?
Which ancient Greeks thought that all matter was made from indivisible particles?
Who described atoms as solid spheres at the start of the 19th century?
Who described atoms as solid spheres at the start of the 19th century?
Which model replaced the 'solid sphere' atomic structure idea?
Which model replaced the 'solid sphere' atomic structure idea?
What observation led to the modification of atomic models according to the text?
What observation led to the modification of atomic models according to the text?
What did J. J. Thomson's experiments in 1897 reveal about atoms?
What did J. J. Thomson's experiments in 1897 reveal about atoms?
What did Rutherford's gold foil experiment show about the plum pudding model?
What did Rutherford's gold foil experiment show about the plum pudding model?
What is the main feature of Rutherford's nuclear model of the atom?
What is the main feature of Rutherford's nuclear model of the atom?
Why did Rutherford conclude that the plum pudding model was incorrect?
Why did Rutherford conclude that the plum pudding model was incorrect?
